Changes to support no colors in the explanations

[manleviet]

1. AnomalyType:

• remove colors from descriptions
• replace getRaw... functions with get...WithColor functions

2. VoidFMExplanation, RedundancyAnalysisExplanation, and CompactExplanation:

• will have two functions - one for raw descriptive explanation and one for explanation with color

3. Bring the source code of RawExplanation into AutomatedAnalysisExplanation

• it means that AutomatedAnalysisExplanation will have two public functions: (1) getDescriptiveExplanation - returns a raw descriptive explanation for each type of Analysis, (2) getDescriptiveExplanations - returns raw descriptive explanations for a list of analyses, (3) getDescriptiveExplanationWithColor - returns formatted descriptive explanation for each type of Analysis, (4) getDescriptiveExplanationsWithColor - returns formatted descriptive explanation for a list of analyses.

4. (May be this is not good)Migrate the structure of DiagnosisTree into CECore. In this case, the below class should have an additional function whose output is a DiagnosisTree (or something like that).